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Kyungki-Do, South Korea

Sang-Rok Oh

This inventor holds 5 USPTO granted patents. Top assignee: Hynix Semiconductor Inc.. Active years: 2009-2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Sang-Rok Oh. Retrieved from https://idiyas.com/inventor/sang-rok-oh-qiade0cy

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank

USPTO Granted Patents = 5

% Patents Active = 40.0

Average Co-Inventor Count = 2.2

ph-index = 2

Forward Citations = 9(Granted Patents)

Location History:

Ichon-shi, KR (2010)
Gyeonggi-do, KR (2010)
Kyoungki-do, KR (2009 - 2014)

Company Filing History:

Hynix Semiconductor Inc.

Years Active: 2009-2014

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5 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 8921189 - Method for fabricating semiconductor device (2014-12-30),

2. 7807574 - Etching method using hard mask in semiconductor device (2010-10-05),

3. 7759234 - Method for fabricating semiconductor device with recess gate (2010-07-20),

4. 7678676 - Method for fabricating semiconductor device with recess gate (2010-03-16),

5. 7572704 - Method for forming metal pattern and method for forming gate electrode in semiconductor device using the same (2009-08-11),

Profile summary based on public USPTO records.

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

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